副枪小车防坠落机构，涉及一种氧气顶吹转炉上的供氧设备。
Sub-lance carriage fall arrest mechanism relates to an oxygen supply equipment on a top-blown oxygen converter.
用氧技术不规范、供氧设备能力不足，喷头存在质量、设计问题，操作不合理等是影响氧枪枪龄的主要原因。
The nonstandard technique of using oxygen, deficiency capability of oxygen supplying equipment, the existed quality and design questions in lance, the unreasonable operation etc.
用氧技术不规范、供氧设备能力不足，喷头存在质量、设计问题，操作不合理等是影响氧枪枪龄的主要原因。
The nonstandard technique of using oxygen, deficiency capability of oxygen supplying equipment, the existed quality and design questions in lance, the unreasonable operation etc.
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